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    <link href="styles/P-24-8-9.css" rel="stylesheet" type="text/css">
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    <title>html学习日记</title>
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<body>
    <h1>html学习实战</h1>
    <h2>8.9</h2><br>
    <p>hello world</p>
    <h2>8.10</h2><br>
    <p>hello world</p>
    <h2>8.11</h2> <br>
    <p>hello world</p><br>
    <ol>
        <li>erverv</li>
        <li>erverv</li>
        <li>erverv</li>
        <li>erverv</li>
        <em><li>erverv</li></em>
        <strong><li>erverv</li></strong>
    </ol>
   
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<script type = 'text/javascript'>
    document.write("Hello world!")
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